1. It has the lowest flow resistance (actually 0);
2. It can be reliably applied to corrosive medium and low boiling point liquid because it will not be stuck during operation (without lubricant);
3. In a large range of pressure and temperature, it can achieve complete sealing;
4. It can realize fast opening and closing, and the opening and closing time of some structures is only 0.05~0.1s, so as to ensure that it can be used in the automation system of the test bench. When the valve is opened and closed quickly, there is no impact during operation.
5. The spherical closing element can be automatically positioned at the boundary position;
6. The working medium is sealed reliably on both sides;
7. When fully open and fully closed, the sealing surfaces of the ball and valve seat are isolated from the medium, so the medium passing through the valve at high speed will not cause erosion of the sealing surface;
8. With compact structure and light weight, it can be considered as the most reasonable valve structure for low temperature medium system;
9. The valve body is symmetrical, especially the welded valve body structure, which can well withstand the stress from the pipeline;
10. The closing element can withstand the high pressure difference when closing.
11. The ball valve with fully welded valve body can be directly buried underground, so that the valve internals will not be corroded, and the maximum service life can reach 30 years. It is the most ideal valve for oil and gas pipelines.
